3-[[4-[(4-Amino-2-chloro-5-methoxyphenyl)azo]-6-sulfo-1-naphtyl]azo]-4-hydroxy-2-naphthalenesulfonic acid disodium salt is a chemical compound registered under CAS number 6252-59-1, with the molecular formula C27H20 Cl N5 O8 S2 . 2 Na and a molecular weight of about 688.03 g/mol. It is also known as C.I.26650; C.I.Direct Blue 138. ReagentForLab supplies 3-[[4-[(4-Amino-2-chloro-5-methoxyphenyl)azo]-6-sulfo-1-naphtyl]azo]-4-hydroxy-2-naphthalenesulfonic acid disodium salt for laboratory research and bulk production; product code 440499. Send an inquiry for purity, packaging, price and lead time.